the ratio of zinc to copper is 3 to 14, that menas that for each 3 grams of zinc there are 14 grams of copper, so we can made a rule of three to find
Answer:
Step-by-step explanation:
Start with:
Add 
to both sides of the equation:
Divide by the coefficient of 
, which is 
:
X= -36
1/4x-2=-11 Add 2 to both sides
1/4x=-9 multiply each side by 4
x=-36
Answer:
Probability of people choosing chocolate is 27/65
Step-by-step explanation:
1/3 of Vanilla likes both
Vanilla is 2/3 of Chocolate
Chocolate or Vanilla is 3/5
(2/3x-2/9x) + x = 3/5
4/9x + x = 3/5
x(4/9 + 1) = 3/5
x = 3/5*9/13
x = 27/65
Answer:
the answer is e, obviously
Step-by-step explanation:
